Home / 31,185,840.45-46,786,732.32-12,011,449.17

Finding the Fourth Proportional to 31,185,840.45, 46,786,732.32 and 12,011,449.17

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Solution

The fourth proportional to 31,185,840.45, 46,786,732.32 and 12,011,449.17 is: 18,020,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,840.45 : 46,786,732.32 = 12,011,449.17 : x
  2. Step 2: Convert to fraction form
    31,185,840.45/46,786,732.32 = 12,011,449.17/x
  3. Step 3: Cross multiply
    31,185,840.45x = 46,786,732.32 × 12,011,449.17
  4. Step 4: Simplify right side
    31,185,840.45x = 561,976,457,092,076.19
  5. Step 5: Solve for x
    x = 561,976,457,092,076.19/31,185,840.45
  6. Step 6: Final answer
    x = 18,020,244.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.